Inventor
Hideo Ohnuki
Inventor
Yokohama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
H03HImpedance networks, e.g. resonant circuits20%
H01PWaveguides10%
H02KDynamo-electric machines10%
H04BTransmission10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
PatentTitleYear
6,687,208'Laser drive integrated circuit and optical disk apparatus using the same'20046,674,702'Laser drive integrated circuit and optical disk apparatus using the same'20046,483,791'Laser drive integrated circuit and optical disk apparatus using the same'20025,554,960'Branching filter, branching filter module and radio commnication apparatus'19965,130,681'Saw filter and mobile telephone using same'19924,592,037'Device for displacing a pickup head in multi-axial directions'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2004Patents assigned to HITACHI LTD (6)· patent assignee history
1986–2004Based in Yokohama, JP· patent location history
1992Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1986–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1986–2004 |
| Kanagawa, JP | 1 | 1992 |